What is a recommended story-splitting technique for Agile teams?

What is a recommended story-splitting technique for Agile teams?
A . Validate design with stakeholders and build the functionality later
B. Start with the data structure and extend into the business logic and UI
C. Implement the ‘happy path’ first and the rest of the scenarios afterward
D. Implement the story UI first and build the business logic later

Answer: C

Explanation:

https://www.scaledagileframework.com/story/